<wicket:panel>
	<div class="old p-3 border-right w-50">
		<img wicket:id="old" class="w-100" title="Before modification">
	</div>
	<div class="new p-3 w-50">
		<img wicket:id="new" class="w-100" title="After modification">
	</div>
</wicket:panel>